C22B 9/221
By electromagnetic waves
Official title: {by electromagnetic waves, e.g. by gas discharge lamps}
C22B9/221 (By electromagnetic waves) appears on 40 US grants and 41 published applications in this corpus.
Search patents in C22B- Granted patents
- 40
- Published applications
- 41
- Assignees
- 43
- Inventors
- 105
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 3 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 1 | 1 |
| 2018 | 4 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 3 | 4 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for welding precipitation-hardened superalloys30 Sep 2025US 12,427,599 B2Siemens Energy Global GmbH & Co. KG
- Metal recycling system for in-space manufacturing29 Jul 2025US 12,371,759 B2Microtech Energy LLC
- Methods and systems for processing materials, including shape memory materials20 May 2025US 12,305,268 B2Smarter Alloys Inc.
- Compact coil assembly for a vacuum arc remelting system20 Feb 2024US 11,905,576 B2Titanium Metals Corporation
- Compact coil assembly for a vacuum arc remelting system6 Sep 2022US 11,434,544 B2Titanium Metals Corporation
- Metal recycling system for in-space manufacturing6 Nov 2025US 2025/0340968 A1Microtech Energy LLC
- Methods and systems for processing materials, including shape memory materials4 Sep 2025US 2025/0277293 A1Smarter Alloys Inc.
- Method for recovering materials from waste or scraps through an improved carbothermal process5 Jun 2025US 2025/0178903 A1
- Twin coil arc sweep system for vacuum arc remelting furnaces10 Apr 2025US 2025/0119992 A1Titanium Metals Corporation
- Metal recycling system for in-space manufacturing23 Mar 2023US 2023/0088387 A1Microtech Energy LLC
Most cited
By later US patents
- Methods and systems for processing materials, including shape memory materials42US 10,047,421 B2Smarter Alloys Inc. · 2018
- Process for the recovery of molybdenum and rhenium from their sulfide ores25US 4,321,089 ACato Research Corporation · 1982
- Microwave irradiation of composites21US 4,906,290 AWollongong Uniadvice Limited · 1990
- Process and apparatus for manufacturing fine powder19US 4,556,416 ASumitomo Electric Industries, Ltd. · 1985
- Process for the recovery of nickel, cobalt and manganese from their oxides and silicates17US 4,311,520 ACato Research Corporation · 1982